March 2, 2026 – Articles
USA Delaware, Trends and Developments, 2026 Patent Litigation Guide
Chambers Global Practice Guides
2025 Changes to USPTO Policies Will Impact Patent Litigation in Federal District Courts
In 2025, some of the most significant developments likely to have far-reaching impacts on patent infringement litigation in United States federal district courts were changes made to the policies and procedures of the United States Patent and Trademark Office (USPTO). Specifically, the USPTO implemented new policies regarding institution of an inter partes review (IPR) of patent validity, thereby continuing and accelerating trends at the USPTO that are likely to affect patent litigation for years to come.